Success story: Grasse "Les Roumiguières" (France)

Integrated control solution for a Waste water treatment plant with innovative process

Key customer benefits:

Cost effective and size optimized solution 30% saved on wiring costs

I. CUSTOMER ENVIRONMENT / PROJECT CONTEXT

Customer profile (*):

Town of Grasse has entrusted to Degrémont the construction of a waste water treatment facility (capacity of 25 000 Equivalent Inhabitants), using a new ultra-filtration membrane technology, called Ultrabox®.

This very compact technology is offering a higher treatment capacity for a given plant size.

Schneider Electric automation solution has been selected for the control system.

This plant is operated by Suez.

Graniou was the system integrator in charge of the automation project execution.

Customer objective and constraints (*):

Constraints about discharge level in the Roumiguières valley. Searching for an adapted process, in a protected area, with space limitation.

Installation has to face with following constraints :- High availability- Flexible extension- Compact size

III. RESULTS / ACHIEVEMENT

Customer benefits (*):

High availability of installation

Flexible extension capabilities

Compact size

Customer testimonies (Verbatim):

Stéphane Abram, Graniou system integrator project manager: “Thanks to STB islands, we saved on space, with a reduction of 3 or 4 meters of linear enclosure space. But we saved also on wiring: we have an estimating saving time in wiring of approximately 30% ... We selected Tesys U motor starters for easy connection, compact size, and flexibility for the user: only 3 references are covering 80% of the requirements of motor starters on the site”.